Open the Win10 key combination to unlock the screen.

Win10 lock screen state, the default login screen can be accessed by tapping the keyboard button or mouse button. However, this may give people with different ulterior motives. After entering the login page, they can perform password cracking and even enter the system without a password. Therefore, users who have high requirements for system security can avoid remote unlocking by turning on the Ctrl+Alt+Del key combination. The reason is that Windows does not recognize the Ctrl+Alt+Del key combination signal sent by the software or application, and can only be realized by the actual button of the user.

specific methods are as follows:
1, after Cortana search field type regedit, and press Enter to enter the Registry Editor
2, navigate to
HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindows NTCurrentVersionWinlogon
3, found DisableCAD (if not, create a new one DWORD value, and this name), double-click to open the "numerical data" to 0, "OK", as shown below -

4, open press Win + R "run", enter control userpasswords2 click "OK", as shown below -

5, click the "advanced" tab in the "user account", check below the "Require users to press Ctrl + Alt + Delete ", click" OK ", as shown below - after

now entering the lock screen (press Win + L test), there will be press Ctrl + Alt + Del to unlock hints, any key or mouse button The way is no longer unlockable. To restore the default mode, you can restore the values ​​modified in the above steps to the default project.